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- dalia mogahed what do you think when you look at me
- dalia mogahed: the attitudes that sparked arab spring
- dambisa moyo economic growth has stalled. let's fix it
- a.j. jacobs how healthy living nearly killed me
- dame ellen macarthur the surprising thing i learned sailing solo around the world
- dame stephanie shirley why do ambitious women have flat heads
- damon horowitz philosophy in prison
- damian palin: mining minerals from seawater
- damon horowitz calls for a "moral operating system"
- dan ariely asks, are we in control of our own decisions?
- dan ariely how equal do we want the world to be you'd
- dan ariely beware conflicts of interest
- dan ariely: what makes us feel good about our work?
- dan barasch a park underneath the hustle and bustle of new york city
- dan barber: how i fell in love with a fish
- dan barber's foie gras parable
- inside america's dead shopping malls
- dan berkenstock the world is one big dataset. now, how to photograph it ...
- dan buettner: how to live to be 100+
- meet the inventor of the electronic spreadsheet
- dan cobley: what physics taught me about marketing
- dan dennett: dangerous memes
- dan dennett: the illusion of consciousness
- dan dennett: responding to pastor rick warren
- dan gilbert: the surprising science of happiness
- dan gilbert: why we make bad decisions
- dan gross why gun violence can't be our new normal
- dan gilbert the psychology of your future self
- dan pacholke how prisons can help inmates live meaningful lives
- dan meyer: math class needs a makeover
- dan pallotta the dream we haven't dared to dream
- dan pallotta: the way we think about charity is dead wrong
- dan phillips: creative houses from reclaimed stuff
- dan pink: the puzzle of motivation
- daniel goldstein: the battle between your present and future self
- daniel goleman on compassion
- daniel h cohen for argument s sake
- daniel kahneman: the riddle of experience vs. memory
- daniel kish how i use sonar to navigate the world
- daniel kraft invents a better way to harvest bone marrow
- daniel kraft: medicine's future? there's an app for that
- daniel levitin how to stay calm when you know you'll be stressed
- daniel libeskind's 17 words of architectural inspiration
- daniel pauly: the ocean's shifting baseline
- daniel reisel the neuroscience of restorative justice
- daniel suarez: the kill decision shouldn't belong to a robot
- daniel tammet different ways of knowing
- daniel wolpert: the real reason for brains
- daniele quercia: happy maps
- danielle de niese: a flirtatious aria
- danielle feinberg the magic ingredient that brings pixar movies to life
- danit peleg forget shopping. soon you'll download your new clothes
- maps that show us who we are (not just where we are)
- danny hillis: back to the future (of 1994)
- danny hillis: the internet could crash. we need a plan b
- danny hillis: understanding cancer through proteomics
- daphne bavelier: your brain on video games
- daphne koller: what we're learning from online education
- daria van den bercken: why i take the piano on the road ... and in the air
- dave brain what a planet needs to sustain life
- dave debronkart: meet e-patient dave
- dave eggers' wish: once upon a school
- dave meslin: the antidote to apathy
- dave isay: everyone around you has a story the world needs to hear
- david agus: a new strategy in the war on cancer
- david anderson: your brain is more than a bag of chemicals
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- dave troy: social maps that reveal a city's intersectionsand separations
- david binder: the arts festival revolution
- david bismark: e-voting without fraud
- david blaine: how i held my breath for 17 min
- david bolinsky: visualizing the wonder of a living cell
- david brooks the social animal
- david brooks should you live for your résumé ... or your eulogy
- david byrne: how architecture helped music evolve
- why you should know how much your coworkers get paid
- david byrne sings "(nothing but) flowers"
- why helmets don't prevent concussionsand what might
- david cameron: the next age of government
- a doctor's case for medical marijuana
- david carson on design + discovery
- david chalmers how do you explain consciousness
- david christian big history
- david deutsch: chemical scum that dream of distant quasars
- david deutsch: a new way to explain explanation
- david eagleman: can we create new senses for humans?
- david epstein are athletes really getting faster, better, stronger
- david gallo on life in the deep oceans
- david gallo: underwater astonishments
- david grady: how to save the world (or at least yourself) from bad meetings
- david griffin: how photography connects us
- david gruber glow-in-the-dark sharks and other stunning sea creatures
- david hanson: robots that "show emotion"
- david hoffman shares his sputnik mania
- david hoffman on losing everything
- david holt plays mountain music
- david keith's unusual climate change idea
- david kelley: how to build your creative confidence
- david kelley on human-centered design
- david kwong two nerdy obsessions meetand it's magic
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- david logan: tribal leadership
- david macaulay's rome antics
- david mackay: a reality check on renewables
- david mccandless: the beauty of data visualization
- the refugee crisis is a test of our character
- david perry: are games better than life?
- david pizarro: the strange politics of disgust
- david pogue: 10 top time-saving tech tips
- david pogue on cool phone tricks
- david pogue on the music wars
- david pogue: simplicity sells
- david puttnam does the media have a duty of care
- david r. dow: lessons from death row inmates
- how racism makes us sick
- david rockwell builds at ground zero
- david rothkopf how fear drives american politics
- david sedlak 4 ways we can avoid a catastrophic drought
- david sengeh the sore problem of prosthetic limbs
- a.j. jacobs how healthy living nearly killed me
- david steindl-rast want to be happy be grateful
- david s. rose on pitching to vcs
- dawn landes a song for my hero, the woman who rowed into a hurricane
- dean kamen on inventing and giving
- dean kamen previews a new prosthetic arm
- dean kamen: the emotion behind invention
- dean ornish: healing through diet
- dean ornish: your genes are not your fate
- dean ornish: the world's killer diet
- deb roy the birth of a word
- debate: does the world need nuclear energy?
- deborah gordon: the emergent genius of ant colonies
- deborah gordon what ants teach us about the brain, cancer and the internet
- deborah rhodes: a tool that finds 3x more breast tumors, and why it's not available to you
- behind the lies of holocaust denial
- deborah scranton on her "war tapes"
- debra jarvis: yes, i survived cancer. but that doesn't define me
- dee boersma: pay attention to penguins
- a young scientist's quest for clean water
- what we don't know about europe's muslim kids
- del harvey the strangeness of scale at twitter
- clay shirky: why sopa is a bad idea
- how students of color confront impostor syndrome
- denis dutton: a darwinian theory of beauty
- denise herzing: could we speak the language of dolphins?
- dennis hong making a car for blind drivers
- dennis hong: my seven species of robot
- dennis vanengelsdorp: a plea for bees
- derek paravicini and adam ockelford in the key of genius
- derek sivers: how to start a movement
- derek sivers: keep your goals to yourself
- derek sivers: weird, or just different?
- devdutt pattanaik: east vs. westthe myths that mystify
- diana laufenberg: how to learn? from mistakes
- a.j. jacobs how healthy living nearly killed me
- diana nyad: extreme swimming with the world's most dangerous jellyfish
- diana nyad never, ever give up
- diane kelly: what we didn't know about penis anatomy
- dianna cohen: tough truths about plastic pollution
- didier sornette how we can predict the next financial crisis
- a.j. jacobs how healthy living nearly killed me
- di¨¦b¨¦do francis k¨¦r¨¦ how to build with clay ... and community
- dilip ratha: the hidden force in global economics: sending money home
- don levy: a cinematic journey through visual effects
- dimitar sasselov: how we found hundreds of potential earth-like planets
- don norman: 3 ways good design makes you happy
- don tapscott: four principles for the open world
- don tapscott how the blockchain is changing money and business
- donald hoffman do we see reality as it is
- a.j. jacobs how healthy living nearly killed me
- donald sadoway: the missing link to renewable energy
- dong woo jang the art of bow-making
- doris kearns goodwin on learning from past presidents
- dorothy roberts the problem with race-based medicine
- doris kim sung: metal that breathes
- dr. seyi oyesola tours a hospital in nigeria
- drew berry: animations of unseeable biology
- drew dudley: everyday leadership
- drew curtis: how i beat a patent troll
- dyan denapoli: the great penguin rescue
- dustin yellin a journey through the mind of an artist